60 - 40 : 4 = 60 - 10 = 50
30 + 20 : 10 = 30 + 2 = 32
(24 + 16) : 8 = 40 : 8 = 5
(36 + 24) : 6 = 60 : 6 = 10
(45 + 56 : 8 - 39) + 36 : 4 = (45 + 7 - 39) + 9 = (52 - 39) + 9 = 13 + 9 = 22
37 • 1 + 54 = 37 + 54 = 91
72 - 19 • 2 = 72 - 38 = 34
64 : 8 + 4 • 6 - 29 = 8 + 24 - 29 = 32 - 29 = 3
47 + 19 - 25 = 66 - 25 = 41
19 • 4 : 2 + (22 - 3) = 76 : 2 + 19 = 38 + 19 = 57
(17 - 8) • 9 - 54 = 9 • 9 - 54 = 81 - 54 = 27
12 • (72 - 16 • 4) = 12 • (72 - 64) = 12 • 8 = 96
10.06
Ответ: 50, 32, 5, 10, 22, 91, 34, 3, 41, 57, 27, 96, 10.06.